About digital signatures and certificates in Office, and buying a digital certificate from a certificate authority or create your own.

Learn how you can use the free Microsoft Authenticator app to sign in to all your accounts without using a password.

Back up one-time password codes for eligible Microsoft personal and third-party accounts in Microsoft Authenticator.

Learn how to add all your different accounts to the Microsoft Authenticator app.

How to disable automatic forwarding in new Outlook At the top window of the new Outlook, select Settings . Select Mail > Forwarding. Toggle the Disable forwarding switch and select Save. You can automatically forward or redirect your email messages by setting up an Inbox rule in classic Outlook. This is useful if you want to read and respond to messages from another email account or when you ...

摘要 Email 簽名可為您的商務通訊建立專業一致性，並確保收件者在每封郵件中都有您的聯絡資訊。 在 Outlook 中，您可以針對不同目的設定多個簽名 (內部與外部、個人與公司) ，並選擇是否要自動將其包含在新電子郵件、回覆或轉寄中。 您的簽名可以包含文字、連結、圖片和影像 (例如手寫簽名或 ...

Training: Learn how to create a signature and create an automatic reply in Outlook.com or Outlook on the web.

Create Outlook Data Files (.pst) on your computer to save Outlook items by account, project, or to archive older items.

The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

Provides information for avoiding and reporting Microsoft technical support scams.